C1243 C5 2000 ABS problem - Corvette Forum : DigitalCorvettes.com Corvette Forums
 
 
Go Back   Corvette Forum : DigitalCorvettes.com Corvette Forums > C5 Corvette Forums > C5 Corvette - General Discussion
Register Forums Garage Garage Mark Forums Read Auto EscrowInsurance

Notices

C5 Corvette - General Discussion General | Technical | Performance | Aftermarket | Discussions

Other sections:
Corvettes Classifieds
Corvette Detailing & Car Care
Corvette Audio/Video/Radar
General Automotive/Shop/Tools
Corvette Performance Driving/Racing

Shops/Tuners
Custom Image Corvettes
A&A Corvette
Corvette tuner

Interior
Corvette aftermarket products

Insurance

Parts & Products
Race Ramps
Edelbrock
ATI/Procharger
Corvetteguys.com
Melrose Motorsports
Parts Taxi
Airaid
Mid America Motorworks
Pfadt Racing
Madvette Motorsports
Hi-tech Custom Concepts
Corvette aftermarket products
Corvette Garage
Corvette Parts and Accessories
Corvette Car Care Products
Corvette HID
Mid America Motoroworks

Tracks/Schools
Bob Bondurant School of High Performance Driving
Corvette driving school

Wheels/Tires
Cray Wheels

Services
BADWERKS.com
Reply
 
Thread Tools
Old 08-13-2009, 09:31 AM   #1
Mr.C
DC Crew
 
Posts: 4
Member #86689
Member since: Jun 2009
Location: rowland heights

My Corvette(s)
c5 2000

Thanks: 0
Thanked 0 Times in 0 Posts
C1243 C5 2000 ABS problem

I have a 2000 C5. ABS, traction control and active handeling light was staying on. And it really means ABS isn't working. Code C1243 is a stalled ABS pump motor (read as ..."frozen"). There is a green wire easily visable on top of the ABS pump that powers the pump. I stuck a test light in the insulation and injected 12 volts from the car battery into it. THE PUMP STARTED. The test wire got hot in 2 seconds, so I rested it for about 5 seconds. Then another 3 second injection of 12 volts, then rested. I did this until I got 8 to 10 seconds to the pump with out the test wire getting hot. THE COMPUTER CODE IS GONE AND LIGHTS ARE OUT. Be sure to keep the point of the test light in the insulation and just tap the other end of the test wire on the battery so you don't put more than one tiny hole in the green wire insulation. That is my fix.
For those of you that don't have this problem...DRIVE FASTER, BREAK HARDER and your ABS pump won't freeze up from lack of use.
PS. Be sure to use a fused wire!
Mr.C is offline   Reply w/quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 08-13-2009, 01:39 PM   #2
vettecop
DC Pit Crew Boss
 
vettecop's Avatar
 
Posts: 4,916
Member #8238
Member since: Jan 2004
Location: MS Gulf Coast

My Corvette(s)
2006 Coupe, 1995 Pace Car, 1982

Thanks: 34
Thanked 3 Times in 3 Posts
Congratulations on the quick fix. ABS repairs can be quite expensive!
vettecop is online now   Reply w/quote Quick reply to this message
"Everybody has to believe in something.....I believe I'll have another drink."
-W.C. Fields
Old 08-17-2009, 12:09 PM   #3
Sully1882
DC Crew
 
Sully1882's Avatar
 
Posts: 21
Member #65583
Member since: Oct 2007
Location: Fayetteville, AR USA

My Corvette(s)
1972 coupe, 2000 coupe

Thanks: 0
Thanked 0 Times in 0 Posts
sweet

that's awesome! My 2000 coupe does the same thing with that same 1243 code! I'm gonna try this one asap. Thanks for the instructional.

Sully
Sully1882 is offline   Reply w/quote Quick reply to this message
Old 05-19-2012, 09:29 PM   #4
ymash13
DC Crew
 
Posts: 2
Member #118894
Member since: May 2012
Location: USA

My Corvette(s)
2000 C5

Thanks: 0
Thanked 0 Times in 0 Posts
I also have a 2000 C5 and I have the same issue. The ABS and traction contol light come on whenever ABS or traction control is activated. Sometimes the light goes off in a day or two, sometime it doesn't and I have to reset it.

I followed the instructions, I got power to the green wire (looks like a rod on top of hte pump, right?) using a test light. But nothing happened, it didn't come ON. I even tried tapping the pump while applying power but still nothing.

Am I doing something wrong? any suggestions? the dealer tells me the part is $2300!! That's crazy!

Thanks in advance!
ymash13 is offline   Reply w/quote Quick reply to this message
Old 05-20-2012, 07:13 PM   #5
Junkman2008
DC Pit Crew Boss
 
Junkman2008's Avatar
 
Posts: 25,406
Member #71977
Member since: Apr 2008
Location: Louisville, KY

My Corvette(s)
2001 Navy Blue Metallic Coupe

Thanks: 171
Thanked 550 Times in 432 Posts
Garage
You may need to pay a visit to ABSFixer.com. Go to his website and start reading.
Junkman2008 is online now   Reply w/quote Quick reply to this message
"Marines - Making the other guy die for his country for over 200 years."
Old 06-23-2012, 09:51 PM   #6
ymash13
DC Crew
 
Posts: 2
Member #118894
Member since: May 2012
Location: USA

My Corvette(s)
2000 C5

Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by Junkman2008 View Post
You may need to pay a visit to ABSFixer.com. Go to his website and start reading.

I did , they couldn't help.

But I figured out the problem. The test light I was using was a high impedence test light. I used a fused lead instead to get power to the pump. That worked.

I used a 30a fuse. it blew three of them until it stopped blowing them anymore.

Now it's fixed. Thanks for teh suggestion, this was awsome!!
ymash13 is offline   Reply w/quote Quick reply to this message
Old 06-23-2012, 11:20 PM   #7
Junkman2008
DC Pit Crew Boss
 
Junkman2008's Avatar
 
Posts: 25,406
Member #71977
Member since: Apr 2008
Location: Louisville, KY

My Corvette(s)
2001 Navy Blue Metallic Coupe

Thanks: 171
Thanked 550 Times in 432 Posts
Garage
Let me see if I understand. The problem was a fuse that kept blowing so you replaced it with a bigger one?
Junkman2008 is online now   Reply w/quote Quick reply to this message
"Marines - Making the other guy die for his country for over 200 years."
Old 06-24-2012, 01:49 PM   #8
sjsz06
DC Crew
 
sjsz06's Avatar
 
Posts: 344
Member #74700
Member since: Aug 2008
Location: Lawrenceville, Georgia

My Corvette(s)
2002 EB Z06

Thanks: 1
Thanked 7 Times in 7 Posts
Quote:
Originally Posted by Junkman2008 View Post
Let me see if I understand. The problem was a fuse that kept blowing so you replaced it with a bigger one?
AJ, I don't think that's what he said...

He used a separate fused lead wire to kick start the pump and it kept blowing the 30a fuse until it loosened up enough to run without the high current draw.
Not like sticking a higher amp fuse in a normal circuit, that would be crazy...
sjsz06 is offline   Reply w/quote Quick reply to this message
2002 EB Z06
ARH LTs, VaraRam, VRX4 cam,
Dyno Tune by Vengeance Racing - 410 RWHP, 388 RWTQ
Old 06-24-2012, 02:02 PM   #9
Junkman2008
DC Pit Crew Boss
 
Junkman2008's Avatar
 
Posts: 25,406
Member #71977
Member since: Apr 2008
Location: Louisville, KY

My Corvette(s)
2001 Navy Blue Metallic Coupe

Thanks: 171
Thanked 550 Times in 432 Posts
Garage
Quote:
Originally Posted by sjsz06 View Post
AJ, I don't think that's what he said...

He used a separate fused lead wire to kick start the pump and it kept blowing the 30a fuse until it loosened up enough to run without the high current draw.
Not like sticking a higher amp fuse in a normal circuit, that would be crazy...
My thoughts exactly! Okay, that makes sense. Thanks for clearing that up. Looking forward to ATL this year!
Junkman2008 is online now   Reply w/quote Quick reply to this message
"Marines - Making the other guy die for his country for over 200 years."
Old 03-12-2014, 01:46 PM   #10
markmark
DC Crew
 
markmark's Avatar
 
Posts: 5,905
Member #72662
Member since: May 2008
Location: California

My Corvette(s)
2001 Z51 Navy Blue Metallic Coupe

Thanks: 7
Thanked 0 Times in 0 Posts
Thanks for the info gang. My dash glows bright yellow for a year and a half now, and am getting tired of looking at it. I suppose it is time to go pull some codes. Every time that I start my 2001 I get a service ACTIVE HANDLING, ABS, and TRACTION CONTROL across the DIC. I found ABSFIXR.COM and getting EBCTM module rebuilt wasn't as much of a shock that I thought it was, $150. I suppose that I need to make sure that is my only problem before I have it done. Just trying to find out where to start before I get into it and become depressed, or even worse, LOST! Oh, Yo AJ!
markmark is offline   Reply w/quote Quick reply to this message
All Corvettes are really Blue. ~"Active Handling is designed to use existing traction to assist the driver. But cannot overcome the laws of physics". NOW they tell me!!!
Old 03-12-2014, 02:13 PM   #11
Junkman2008
DC Pit Crew Boss
 
Junkman2008's Avatar
 
Posts: 25,406
Member #71977
Member since: Apr 2008
Location: Louisville, KY

My Corvette(s)
2001 Navy Blue Metallic Coupe

Thanks: 171
Thanked 550 Times in 432 Posts
Garage
Holy crap Mark, you haven't posted sine the Funky Bunch was your posse!
Junkman2008 is online now   Reply w/quote Quick reply to this message
"Marines - Making the other guy die for his country for over 200 years."
The Following User Says Thank You to Junkman2008 For This Useful Post:
markmark (03-12-2014)
Old 03-12-2014, 03:05 PM   #12
markmark
DC Crew
 
markmark's Avatar
 
Posts: 5,905
Member #72662
Member since: May 2008
Location: California

My Corvette(s)
2001 Z51 Navy Blue Metallic Coupe

Thanks: 7
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by Junkman2008 View Post
Holy crap Mark, you haven't posted sine the Funky Bunch was your posse!
Ya, I know AJ. They all turned out to be a bunch of losers anyhow

Now, just where is that green wire located? Just for future reference. Is the unit that I am looking for the one under my upper radiator hose?
markmark is offline   Reply w/quote Quick reply to this message
All Corvettes are really Blue. ~"Active Handling is designed to use existing traction to assist the driver. But cannot overcome the laws of physics". NOW they tell me!!!
Old 03-12-2014, 03:09 PM   #13
Junkman2008
DC Pit Crew Boss
 
Junkman2008's Avatar
 
Posts: 25,406
Member #71977
Member since: Apr 2008
Location: Louisville, KY

My Corvette(s)
2001 Navy Blue Metallic Coupe

Thanks: 171
Thanked 550 Times in 432 Posts
Garage
What green wire?
Junkman2008 is online now   Reply w/quote Quick reply to this message
"Marines - Making the other guy die for his country for over 200 years."
Old 03-12-2014, 03:15 PM   #14
markmark
DC Crew
 
markmark's Avatar
 
Posts: 5,905
Member #72662
Member since: May 2008
Location: California

My Corvette(s)
2001 Z51 Navy Blue Metallic Coupe

Thanks: 7
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by Mr.C View Post
I have a 2000 C5. ABS, traction control and active handeling light was staying on. And it really means ABS isn't working. Code C1243 is a stalled ABS pump motor (read as ..."frozen"). There is a green wire easily visable on top of the ABS pump that powers the pump. I stuck a test light in the insulation and injected 12 volts from the car battery into it. THE PUMP STARTED. The test wire got hot in 2 seconds, so I rested it for about 5 seconds. Then another 3 second injection of 12 volts, then rested. I did this until I got 8 to 10 seconds to the pump with out the test wire getting hot. THE COMPUTER CODE IS GONE AND LIGHTS ARE OUT. Be sure to keep the point of the test light in the insulation and just tap the other end of the test wire on the battery so you don't put more than one tiny hole in the green wire insulation. That is my fix.
For those of you that don't have this problem...DRIVE FASTER, BREAK HARDER and your ABS pump won't freeze up from lack of use.
PS. Be sure to use a fused wire!
THAT green wire
markmark is offline   Reply w/quote Quick reply to this message
All Corvettes are really Blue. ~"Active Handling is designed to use existing traction to assist the driver. But cannot overcome the laws of physics". NOW they tell me!!!
Old 03-12-2014, 03:25 PM   #15
Junkman2008
DC Pit Crew Boss
 
Junkman2008's Avatar
 
Posts: 25,406
Member #71977
Member since: Apr 2008
Location: Louisville, KY

My Corvette(s)
2001 Navy Blue Metallic Coupe

Thanks: 171
Thanked 550 Times in 432 Posts
Garage
I have no clue. If I had an ABS problem, I would call ABSFixer and follow the advice that he would give me. Or, you can try and fix it yourself by following this thread. I have yet to have an ABS issue so the only thing that I have done with mine is removed and replaced it when I did my head gaskets. That experience was well documented in my year+ long thread about "another night in my garage."
Junkman2008 is online now   Reply w/quote Quick reply to this message
"Marines - Making the other guy die for his country for over 200 years."
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Corvette Forum : DigitalCorvettes.com Corvette Forums forums, you must first register.
Please enter your desired user name (12 CHARACTERS MAXIMUM), your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Powered by vBadvanced CMPS v3.2.2

All times are GMT -6. The time now is 05:44 PM.




Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Garage Plus vBulletin Plugins by Drive Thru Online, Inc.
2003-2011, DigitalCorvettes.com - All Rights Reserved